What does 积谷防饥 (jī gǔ fáng jī) mean in English?

Card 53NPCR Level 4853/66
CARD53
PROGRESS80%
积谷防饥
積穀防飢
jī gǔ fáng jī
store up grain against famine(Idiom Expression)

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d